https://wiki.returnofreckoning.com/index.php?action=history&feed=atom&title=API%3AActionButtonGroupSetIconAPI:ActionButtonGroupSetIcon - Revision history2026-10-17T17:53:48ZRevision history for this page on the wikiMediaWiki 1.43.11https://wiki.returnofreckoning.com/index.php?title=API:ActionButtonGroupSetIcon&diff=30154&oldid=prevMaintenance script: UI Lua API import (WAR 1.4.8)2026-10-16T19:40:04Z<p>UI Lua API import (WAR 1.4.8)</p>
<p><b>New page</b></p><div>{{LuaApi|group=ActionButtonGroup}}<br />
Sets the icon shown on one button of an ActionButtonGroup.<br />
<br />
<pre><br />
ActionButtonGroupSetIcon(groupName, buttonIndex, iconId)<br />
</pre><br />
<br />
== Arguments ==<br />
;groupName : <code>string</code> – Name of an ActionButtonGroup window.<br />
;buttonIndex : <code>number</code> – Button number, starting at 1.<br />
;iconId : <code>number</code> – Icon number, for example an item's <code>iconNum</code>. <code>0</code> clears the icon.<br />
<br />
== Returns ==<br />
Nothing.<br />
<br />
== Details ==<br />
* <code>buttonIndex</code> must be between 1 and the number of buttons (see [[API:ActionButtonGroupSetNumButtons|ActionButtonGroupSetNumButtons]]); otherwise the ''not a valid ButtonIndex'' error is raised. Fractions are dropped.<br />
* The icon number is looked up in the client's icon data and the matching part of the icon texture is shown on the button.<br />
<br />
== Errors ==<br />
* <code>Error in function call 'ActionButtonGroupSetIcon': Window %s does not exist</code><br />
* <code>Error in function call 'ActionButtonGroupSetIcon': Window %s is not a ActionButtonGroup</code><br />
* <code>Error in function call 'ActionButtonGroupSetIcon': '%d' is not a valid ButtonIndex. (NumButtons = '%d')</code><br />
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== Example ==<br />
Clearing and filling a backpack slot, from <code>ea_backpackwindow/source/backpackiconview.lua</code>:<br />
<pre><br />
ActionButtonGroupSetIcon( buttonGroupName, buttonIndex, 0 )<br />
ActionButtonGroupSetText( buttonGroupName, buttonIndex, L"" )<br />
ActionButtonGroupSetTimer( buttonGroupName, buttonIndex, 0, 0 )<br />
ActionButtonGroupSetTintColor( buttonGroupName, buttonIndex, 255, 255, 255 )<br />
...<br />
ActionButtonGroupSetIcon( buttonGroupName, buttonIndex, itemData.iconNum )<br />
</pre><br />
<br />
== See also ==<br />
* [[API:ActionButtonGroupSetText|ActionButtonGroupSetText]]<br />
* [[API:ActionButtonGroupSetTintColor|ActionButtonGroupSetTintColor]]<br />
* [[API:ActionButtonGroupSetNumButtons|ActionButtonGroupSetNumButtons]]</div>Maintenance script